The trial planting of grain amaranths was introduced in the semiarid area in the southern part of Ningxia in 1987. The results from 4 years' experiments proved that grain amaranths is very drought resistant, very tolerant to poor soil, able to adapt the weather and soil conditions in the introduced areas, grows vigorously and adaptable to livestocks and also a good feed for pigs in particular. When grain amaranth is planted in the current spring, it can flower and bear fruit with fresh yield of 4472 kg per mu on average and the highset frseh yield of 7750 kg per mu. Grain yield can reach 104 kg per mu. As a result, grain amaranths is suitable to be extend for planting in the aird and semiarid areas on the loess plateau.